|
Naming
Covalent Compounds
Naming
Binary Ionic
Compounds
Naming
with Polyatomic Ions Naming
with Roman Numerals Formula
Writing
Naming
Acids
Naming Compounds with
Polyatomic Ions
Polyatomic Ions-A
polyatomic ion is a molecule made up of 2 or more atoms that
bears ionic groups, that is, a molecule with a charge.
Oxyanions- Negative
polyatomic ions with oxygen
| Prefix |
Suffix |
Example |
Names |
| Per-
(more than) |
-ate (largest #) |
ClO4- |
perchlorate |
| |
-ate (large #) |
ClO3- |
chlorate |
| |
-ite (smaller #) |
ClO2- |
chlorite |
| Hypo-
(less than) |
-ite (smallest #) |
ClO- |
hypochlorite |
Other important polyatomic
ions
(from-http://www2.pvc.maricopa.edu/tutor/chem/chem130/nomenclature/polyatomicion.html)
Common Polyatomic Ions
| +1 CHARGE |
-1 CHARGE |
-2 CHARGE |
-3 CHARGE |
-4 CHARGE |
| ion
| name
| ion
| name
| ion
| name
| ion
| name
| ion
| name
|
| NH4+ |
ammonium |
H2PO3- |
dihydrogen phosphite |
HPO32- |
hydrogen phosphite |
PO33- |
phosphite |
P2O74- |
pyrophosphate |
| H3O+ |
hydronium |
H2PO4- |
dihydrogen phosphate |
HPO42- |
hydrogen phosphate |
PO43- |
phosphate |
|
|
| Hg22+ |
mercury(I) |
HCO3- |
hydrogen carbonate |
CO32- |
carbonate |
PO23- |
hypophosphite |
|
|
| |
|
HSO3- |
hydrogen sulfite |
SO32- |
sulfite |
AsO33- |
arsenite |
|
|
| |
|
HSO4- |
hydrogen sulfate |
SO42- |
sulfate |
AsO43- |
arsenate |
|
|
| |
|
NO2- |
nitrite |
S2O32- |
thiosulfate |
|
|
|
|
| |
|
NO3- |
nitrate |
SiO32- |
silicate |
|
|
|
|
| |
|
OH- |
hydroxide |
C22- |
carbide |
|
|
|
|
| |
|
CH3COO- |
acetate |
C2O42- |
oxalate |
|
|
|
|
| |
|
CrO2- |
chromite |
CrO42- |
chromate |
|
|
|
|
| |
|
CN- |
cyanide |
Cr2O72- |
dichromate |
|
|
|
|
| |
|
CNO- |
cyanate |
C4H4O62- |
tartrate |
|
|
|
|
| |
|
CNS- |
thiocyanate |
MoO42- |
molybdate |
|
|
|
|
| |
|
O2- |
superoxide |
O22- |
peroxide |
|
|
|
|
| |
|
MnO4- |
permanganate |
S22- |
disulfide |
|
|
|
|
| |
|
ClO- |
hypochlorite |
|
|
|
|
|
|
| |
|
ClO2- |
chlorite |
|
|
|
|
|
|
| |
|
ClO3- |
chlorate |
|
|
|
|
|
|
| |
|
ClO4- |
perchlorate |
|
|
|
|
|
|
| |
|
BrO- |
hypobromite |
|
|
|
|
|
|
| |
|
BrO2- |
bromite |
|
|
|
|
|
|
| |
|
BrO3- |
bromate |
|
|
|
|
|
|
| |
|
BrO4- |
perbromate |
|
|
|
|
|
|
| |
|
IO- |
hypoiodite |
|
|
|
|
|
|
| |
|
IO2- |
iodite |
|
|
|
|
|
|
| |
|
IO3- |
iodate |
|
|
|
|
|
|
| |
|
IO4- |
periodate |
|
|
|
|
|
|
| |
|
AlO2- |
aluminate |
|
|
|
|
|
|
| |
|
N3- |
azide |
|
|
|
Highlight
to reveal the names of the formulas
| Formula |
Name |
| AlPO4 |
aluminum phosphate |
| KNO2 |
potassium nitrite |
| NaHCO3 |
sodium hydrogen
carbonate |
| CaCO3 |
calcium carbonate |
| Mg(OH)2 |
magnesium hydroxide |
| Na2CrO4 |
sodium chromate |
| Ba(CN)2 |
barium cyanide |
| K2SO4 |
potassium sulfate |
| NaH2PO4 |
sodium dihydrogen
phosphate |
| NH4NO3 |
ammonium nitrate |
| Sn(NO3)2 |
tin(II) nitrate |
| FePO4 |
iron(III) phosphate |
| Cu2SO4 |
copper(I) sulfate |
| Ni(C2H3O2)2 |
nickel(II) acetate |
| HgCO3 |
mercury(II)
carbonate |
| Pb(OH)4 |
lead(IV) hydroxide |
| Cu2Cr2O7 |
copper(I) dichromate |
| Cu(ClO3)2 |
copper(II) chlorate |
| FeSO4 |
iron(II) sulfate |
| Hg2(ClO4)2 |
mercury(I)
perchlorate |
| KClO3 |
potassium chlorate |
| SnSO4 |
tin(II) sulfate |
| Al(MnO4)3 |
aluminum
permanganate |
| Pb(NO3)2 |
lead(II) nitrate |
| Mg3(PO4)2 |
magnesium phosphate |
| CuH2PO4 |
copper(I) dihydrogen
phosphate |
| CaHPO4 |
calcium hydrogen
phosphate |
| Fe(HCO3)3 |
iron(III) hydrogen
carbonate |
| Na2CO3 |
sodium carbonate |
| MnSO4 |
manganese(II)
sulfate |
| Ca(ClO3)2 |
calcium chlorate |
| Fe(OH)3 |
iron (III) hydroxide |
| Cu2SO4 |
copper(I) sulfate |
| KMnO4 |
potassium
permanganate |
| NaOH |
sodium hydroxide |
| Fe(NO3)2 |
iron (II) nitrate |
| |
|
Naming
Covalent Compounds
Naming
Binary Ionic
Compounds
Naming
with Polyatomic Ions Naming
with Roman Numerals Formula
Writing
Naming
Acids
 Chemical Demonstration Videos |
